examples/linalg/QR_solve_narray.rb in gsl-1.16.0.6 vs examples/linalg/QR_solve_narray.rb in gsl-2.1.0

@@ -1,13 +1,14 @@
 #!/usr/bin/env ruby
 require("gsl")
+require 'narray'
 include GSL
 
 m = NMatrix[[0.18, 0.60, 0.57, 0.96], [0.41, 0.24, 0.99, 0.58],
            [0.14, 0.30, 0.97, 0.66], [0.51, 0.13, 0.19, 0.85]]
 qr, tau = Linalg::QR.decomp(m)
 
 p qr, tau
 
 b = NVector[1.0, 2, 3, 4]
 
-p Linalg::QR.solve(qr, tau, b)
+p Linalg::QR.solve(qr, tau, b)
\ No newline at end of file